num_notes = note_group->num_notes;
struct { modified_degree_t degrees[1]; const char *name; } octaves[] = {
- { {{1, 0}}, " Octave"}
+ { {{1, 0}}, "P8" }
};
struct { modified_degree_t degrees[2]; const char *name; } intervals[] = {
- { {{1, 0}, {2, -1}}, " Minor 2nd"},
- { {{1, 0}, {2, 0}}, " Major 2nd"},
- { {{1, 0}, {3, -1}}, " Minor 3rd"},
- { {{1, 0}, {3, 0}}, " Major 3rd"},
- { {{1, 0}, {4, 0}}, " Perfect 4th"},
- { {{1, 0}, {5, -1}}, " Diminished 5th"},
- { {{1, 0}, {5, 0}}, " Perfect 5th"},
- { {{1, 0}, {6, -1}}, " Minor 6th"},
- { {{1, 0}, {6, 0}}, " Major 6th"},
- { {{1, 0}, {7, -1}}, " Minor 7th"},
- { {{1, 0}, {7, 0}}, " Major 7th"}
+ { {{1, 0}, {2, -1}}, "m2" },
+ { {{1, 0}, {2, 0}}, "M2" },
+ { {{1, 0}, {3, -1}}, "m3" },
+ { {{1, 0}, {3, 0}}, "M3" },
+ { {{1, 0}, {4, 0}}, "P4" },
+ { {{1, 0}, {5, -1}}, "Tri-tone" },
+ { {{1, 0}, {5, 0}}, "P5" },
+ { {{1, 0}, {6, -1}}, "m6" },
+ { {{1, 0}, {6, 0}}, "M6" },
+ { {{1, 0}, {7, -1}}, "m7" },
+ { {{1, 0}, {7, 0}}, "M7" }
};
/* XXX: The superscript rise value should be relative to the current
#define SUP "<span font='33' rise='30000'>"
#define PUS "</span>"
- struct { modified_degree_t degrees[3]; const char *name; } triads[] = {
+ struct { modified_degree_t degrees[3]; const char *name; } trichords[] = {
+ /* Triads */
{ {{1, 0}, {3, +1}, {5, 0}}, "sus" },
{ {{1, 0}, {3, 0}, {5, +1}}, SUP "+" PUS },
{ {{1, 0}, {3, 0}, {5, 0}}, "" },
{ {{1, 0}, {3, -1}, {5, 0}}, "m" },
{ {{1, 0}, {3, -1}, {5, -1}}, "°" },
- { {{1, 0}, {2, 0}, {5, 0}}, "msus2" }
+ { {{1, 0}, {2, 0}, {5, 0}}, "msus2" },
+ /* Seventh chords with no 3rd */
+ { {{1, 0}, {5, +1}, {7, 0}}, SUP "+M7" PUS },
+ { {{1, 0}, {5, +1}, {7, -1}}, SUP "+7" PUS },
+ { {{1, 0}, {5, 0}, {7, 0}}, "M7" },
+ { {{1, 0}, {5, 0}, {7, -1}}, "7" },
+ { {{1, 0}, {5, -1}, {7, -1}}, "7♭5" },
+ /* Seventh chords with no 5th */
+ { {{1, 0}, {4, 0}, {7, 0}}, "M7sus" },
+ { {{1, 0}, {4, 0}, {7, -1}}, "7sus" },
+ { {{1, 0}, {3, 0}, {7, 0}}, "M7" },
+ { {{1, 0}, {3, 0}, {7, -1}}, "7" },
+ { {{1, 0}, {3, -1}, {7, 0}}, "m" SUP "M7" PUS },
+ { {{1, 0}, {3, -1}, {7, -1}}, "m7" },
+ { {{1, 0}, {2, 0}, {7, 0}}, "m" SUP "M7" PUS "sus2" },
+ { {{1, 0}, {2, 0}, {7, -1}}, "m7sus2" },
};
struct { modified_degree_t degrees[4]; const char *name; } tetrachords[] = {
/* Sixth chords */
- { {{1, 0}, {4, 0}, {5, 0}, {6, 0}}, "sus" SUP "6" PUS },
- { {{1, 0}, {3, 0}, {5, 0}, {6, 0}}, "6" },
+ { {{1, 0}, {4, 0}, {5, 0}, {6, 0}}, "6sus" },
+ { {{1, 0}, {3, 0}, {5, 0}, {6, 0}}, "6" }, /* Ambiguous with m7 */
{ {{1, 0}, {3, -1}, {5, 0}, {6, 0}}, "m6" },
- { {{1, 0}, {2, 0}, {5, 0}, {6, 0}}, "msus2" SUP "6" PUS },
+ { {{1, 0}, {2, 0}, {5, 0}, {6, 0}}, "m6sus2" },
/* Seventh chords */
- { {{1, 0}, {4, 0}, {5, 0}, {7, 0}}, "sus" SUP "M7" PUS },
- { {{1, 0}, {4, 0}, {5, 0}, {7, -1}}, "sus" SUP "7" PUS },
- { {{1, 0}, {4, 0}, {5, -1}, {7, -1}}, "sus" SUP "7♭5" PUS },
+ { {{1, 0}, {4, 0}, {5, +1}, {7, 0}}, SUP "+M7" PUS "sus" },
+ { {{1, 0}, {4, 0}, {5, +1}, {7, -1}}, SUP "+7" PUS "sus" },
+ { {{1, 0}, {4, 0}, {5, 0}, {7, 0}}, "M7sus" },
+ { {{1, 0}, {4, 0}, {5, 0}, {7, -1}}, "7sus" },
+ { {{1, 0}, {4, 0}, {5, -1}, {7, -1}}, "7♭5sus" },
{ {{1, 0}, {3, 0}, {5, +1}, {7, 0}}, SUP "+M7" PUS },
{ {{1, 0}, {3, 0}, {5, +1}, {7, -1}}, SUP "+7" PUS },
{ {{1, 0}, {3, 0}, {5, 0}, {7, 0}}, "M7" },
{ {{1, 0}, {3, 0}, {5, 0}, {7, -1}}, "7" },
- { {{1, 0}, {3, 0}, {5, -1}, {7, -1}}, SUP "7♭5" PUS },
+ { {{1, 0}, {3, 0}, {5, -1}, {7, -1}}, "7♭5" },
{ {{1, 0}, {3, -1}, {5, 0}, {7, 0}}, "m" SUP "M7" PUS },
{ {{1, 0}, {3, -1}, {5, 0}, {7, -1}}, "m7" },
{ {{1, 0}, {3, -1}, {5, -1}, {7, 0}}, "°" SUP "M7" PUS },
{ {{1, 0}, {3, -1}, {5, -1}, {7, -1}}, "𝆩" SUP "7" PUS },
{ {{1, 0}, {3, -1}, {5, -1}, {7, -2}}, "°" SUP "7" PUS },
- { {{1, 0}, {2, 0}, {5, 0}, {7, 0}}, "msus2" SUP "M7" PUS },
- { {{1, 0}, {2, 0}, {5, 0}, {7, -1}}, "msus2" SUP "7" PUS },
- { {{1, 0}, {2, 0}, {5, -1}, {7, 0}}, "msus2°" SUP "M7" PUS },
- { {{1, 0}, {2, 0}, {5, -1}, {7, -1}}, "msus2𝆩" SUP "7" PUS },
- { {{1, 0}, {2, 0}, {5, -1}, {7, -2}}, "msus2°" SUP "7" PUS },
+ { {{1, 0}, {2, 0}, {5, 0}, {7, 0}}, "m" SUP "M7" PUS "sus2" },
+ { {{1, 0}, {2, 0}, {5, 0}, {7, -1}}, "m7sus2" },
+ { {{1, 0}, {2, 0}, {5, -1}, {7, 0}}, "°" SUP "M7" PUS "sus2" },
+ { {{1, 0}, {2, 0}, {5, -1}, {7, -1}}, "𝆩" SUP "7" PUS "sus2" },
+ { {{1, 0}, {2, 0}, {5, -1}, {7, -2}}, "°" SUP "7" PUS "sus2" }, /* Ambiguous with 7 */
/* Ninth chords voiced with no 5th */
- { {{1, 0}, {9, 0}, {4, 0}, {7, 0}}, "sus" SUP "M9" PUS },
- { {{1, 0}, {9, 0}, {4, 0}, {7, -1}}, "sus" SUP "9" PUS },
+ { {{1, 0}, {9, 0}, {4, 0}, {7, 0}}, "M9sus" },
+ { {{1, 0}, {9, 0}, {4, 0}, {7, -1}}, "9sus" },
{ {{1, 0}, {9, 0}, {3, 0}, {7, 0}}, "M9" },
{ {{1, 0}, {9, 0}, {3, 0}, {7, -1}}, "9" },
{ {{1, 0}, {9, 0}, {3, -1}, {7, 0}}, "m" SUP "M9" PUS },
{ {{1, 0}, {9, 0}, {3, -1}, {7, -1}}, "m9" },
{ {{1, 0}, {9, -1}, {3, -1}, {7, -1}}, "m♭9" },
+ { {{1, 0}, {9, 0}, {3, -1}, {6, 0}}, "m6/9" },
+ { {{1, 0}, {9, -1}, {3, -1}, {6, 0}}, "m6/♭9" },
};
/* The sorting here is funny to keep the array in degree order
* after reducing each degree to an actual scale degree, (9 -> 2,
* 11 -> 4, 13 -> 6) */
struct { modified_degree_t degrees[5]; const char *name; } pentachords[] = {
- { {{1, 0}, {9, 0}, {4, 0}, {5, +1}, {7, 0}}, "sus" SUP "+M9" PUS },
- { {{1, 0}, {9, 0}, {4, 0}, {5, +1}, {7, -1}}, "sus" SUP "+9" PUS },
- { {{1, 0}, {9, 0}, {4, 0}, {5, 0}, {7, 0}}, "sus" SUP "M9" PUS },
- { {{1, 0}, {9, 0}, {4, 0}, {5, 0}, {7, -1}}, "sus" SUP "9" PUS },
+ /* Sixth plus 9 */
+ { {{1, 0}, {9, 0}, {3, 0}, {5, 0}, {6, 0}}, "6/9" },
+ { {{1, 0}, {9, 0}, {3, -1}, {5, 0}, {6, 0}}, "m6/9" },
+ { {{1, 0}, {9, -1}, {3, -1}, {5, 0}, {6, 0}}, "m6/♭9" },
+ /* Seventh plus altered 9 */
+ { {{1, 0}, {9, +1}, {3, 0}, {5, 0}, {7, -1}}, "7♯9" },
+ { {{1, 0}, {9, -1}, {3, 0}, {5, 0}, {7, -1}}, "7♭9" },
+ { {{1, 0}, {9, +1}, {3, 0}, {5, -1}, {7, -1}}, "7♭5♯9" },
+ { {{1, 0}, {9, -1}, {3, 0}, {5, -1}, {7, -1}}, "7♭5♭9" },
+ /* Ninth chords */
+ { {{1, 0}, {9, 0}, {4, 0}, {5, +1}, {7, 0}}, SUP "+M9" PUS "sus" },
+ { {{1, 0}, {9, 0}, {4, 0}, {5, +1}, {7, -1}}, SUP "+9" PUS "sus" },
+ { {{1, 0}, {9, 0}, {4, 0}, {5, 0}, {7, 0}}, "M9sus" },
+ { {{1, 0}, {9, 0}, {4, 0}, {5, 0}, {7, -1}}, "9sus" },
{ {{1, 0}, {9, 0}, {3, 0}, {5, +1}, {7, 0}}, SUP "+M9" PUS },
{ {{1, 0}, {9, 0}, {3, 0}, {5, +1}, {7, -1}}, SUP "+9" PUS },
{ {{1, 0}, {9, 0}, {3, 0}, {5, -1}, {7, -1}}, "9" SUP "♭5" PUS },
{ {{1, 0}, {9, 0}, {3, -1}, {5, -1}, {7, 0}}, "m" SUP "M9♭5" PUS },
{ {{1, 0}, {9, 0}, {3, -1}, {5, -1}, {7, -1}}, "𝆩" SUP "9" PUS },
-
- /* FIXME: I don't have names for these last three after
- * dropping the 5th from the voicing. That suggests to me that
- * I'm missing names for these with a perfect 5th in the list
- * above. */
{ {{1, 0}, {9, -1}, {3, -1}, {5, -1}, {7, -1}}, "𝆩" SUP "♭9" PUS },
{ {{1, 0}, {9, 0}, {3, -1}, {5, -1}, {7, -2}}, "°" SUP "9" PUS },
{ {{1, 0}, {9, -1}, {3, -1}, {5, -1}, {7, -2}}, "°" SUP "♭9" PUS },
}
break;
case 3:
- for (i = 0; i < ARRAY_SIZE (triads); i++) {
+ for (i = 0; i < ARRAY_SIZE (trichords); i++) {
if (_chord_signature_matches (notes, num_notes,
- triads[i].degrees, 3,
+ trichords[i].degrees, 3,
inversion, &root))
{
- chord_name = triads[i].name;
+ chord_name = trichords[i].name;
goto CHORD_NAME_KNOWN;
}
}
CHORD_NAME_KNOWN:
if (chord_name) {
- if (inversion) {
- const char *inversion_str;
- switch (inversion) {
- case 1:
- inversion_str = "1st inversion";
- break;
- case 2:
- inversion_str = "2nd inversion";
- break;
- case 3:
- inversion_str = "3rd inversion";
- break;
- default:
- fprintf (stderr, "Internal error: Unexpected inversion: %d\n",
- inversion);
- exit(1);
- }
- chord_name = talloc_asprintf (local, "%s%s %s",
- _pitch_str (root),
- chord_name, inversion_str);
+ /* Don't print root pitch for octaves and inversions,
+ * (since a pitch name alone looks like a major triad) */
+ if (num_notes < 3) {
+ chord_name = talloc_strdup (local, chord_name);
} else {
chord_name = talloc_asprintf (local, "%s%s",
_pitch_str (root),
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